440042224 has 20 divisors (see below), whose sum is σ = 856344744. Its totient is φ = 219050048.

The previous prime is 440042203. The next prime is 440042243. The reversal of 440042224 is 422240044.

It is a junction number, because it is equal to n+sod(n) for n = 440042195 and 440042204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56947 + ... + 64210.

Almost surely, 2^440042224 is an apocalyptic number.

It is an amenable number.

440042224 is a deficient number, since it is larger than the sum of its proper divisors (416302520).

440042224 is a wasteful number, since it uses less digits than its factorization.

440042224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121392 (or 121386 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 440042224 is about 20977.1834143671. The cubic root of 440042224 is about 760.6148210505.

Adding to 440042224 its reverse (422240044), we get a palindrome (862282268).

The spelling of 440042224 in words is "four hundred forty million, forty-two thousand, two hundred twenty-four".